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Part # MK54-703-11
The Stage 2 Thumpr Master Cam Kit for LS GEN IV 5.3-6.0L provides an awesome idle lope in modified 5.3L & 6.0L trucks. Includes lifters, timing set, pushrods, dual springs, retainers, locks, spring seats and valve seals.
| Advertised Exhaust Duration | 299 deg |
|---|---|
| Advertised Intake Duration | 282 deg |
| Amazon ASIN | B07MQB7F54 |
| Assembly Lubricant Included | No |
| Basic Operating RPM Range | 1,800-6,600 RPM |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| Cam Type | Hydraulic Roller |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Billet Steel |
| Camshaft Series | Thumpr NSR (No Springs Required) |
| Engine Family | GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) |
| Estimated Horsepower Gain with Kit | 89 |
| Exhaust Duration at .050 inch Lift | 237 deg |
| Exhaust Valve Lift | 0.612 in |
| Gaskets Included | No |
| Grind Number | 282LTH13 |
| Intake Duration at .050 Inch Lift | 227 deg |
| Intake Valve Lift | 0.614 in |
| Kit Type | MK-Kit |
| Lifter Type | Hydraulic Roller |
| Lifters Included | Yes |
| Lobe Separation | 113 deg |
| Locks Included | Yes |
| Pushrods Included | Yes |
| Recommended Cam Install Kit | 5621 |
| Recommended Max-Lift BSR Shaft Rocker System | 1981-16 |
| UPC / GTIN | 00036584387657 |